Factorial Definition
făk-tôrē-əl
noun
The product of a given series of consecutive whole numbers beginning with 1 and ending with the specified number.
The factorial of 5 (5!) is 1 × 2 × 3 × 4 × 5, or 120
Webster's New World
adjective
Of a factor.
Webster's New World
Of factors or factorials.
Webster's New World
(dated) Of or pertaining to a factory.
Wiktionary
Other Word Forms of Factorial
Noun
Singular:
factorialPlural:
factorials
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